Skip to forecast
Search a place

Observed 5:20 PM CDT at KSET

Brighton, IL weather

Sunny and 73°23°, 11°6° warmer than a typical Oct 24.

Today: low 48°9° (likely 47°8° to 48°9°), high 75°24° (likely 72°22° to 75°24°).

Mostly agree

Now 73°23°

Sunny

Wind
8 mph13 km/h
From the east-southeast. 35–8 mph13 km/h through 5 AM
Dew point
45°7°
Comfortable
UV tomorrow
4Moderate
Moderate 11 AM–4 PM · peak 4
Pressure
30.31 inHg1026 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Below 60°16° tonight after 8 PM
  • Low 48°9° tomorrow at 6 AM
  • Above 60°16° tomorrow by 10 AM
  • High 76°24° tomorrow at 2 PM
  1. TonightDown to 49°9° by 4 AM · Clear
  2. Tomorrow morningUp to 68°20° by 11 AM · Mostly cloudy
  3. Tomorrow afternoonUp to 76°24° by 2 PM · Mostly cloudy
  4. Tomorrow nightDown to 52°11° by 3 AM · Mostly cloudy
  5. Monday morningUp to 68°20° by 11 AM · Mostly cloudy
  6. Monday afternoonUp to 77°25° by 3 PM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 5pSunny73°23° (likely 69°21° to 74°23°)73°23°0%6 mph10 km/h from SE, gusts 9 mph15 km/h35%3%1
Sat 6pClear69°21° (likely 64°18° to 69°21°)69°21°0%5 mph8 km/h from SE, gusts 8 mph13 km/h42%10%0
Sat 7pClear63°17° (likely 61°16° to 65°18°)63°17°0%5 mph8 km/h from SE, gusts 8 mph13 km/h52%10%0
Sat 8pClear59°15° (likely 59°15° to 62°17°)59°15°0%5 mph8 km/h from SE, gusts 8 mph12 km/h60%38%0
Sat 9pClear56°13° (likely 56°13° to 60°16°)56°13°0%5 mph8 km/h from SE, gusts 8 mph14 km/h69%42%0
Sat 10pMostly clear55°13° (likely 55°13° to 59°15°)55°13°0%5 mph8 km/h from SE, gusts 10 mph16 km/h72%32%0
Sat 11pClear54°12° (likely 54°12° to 57°14°)54°12°0%3 mph5 km/h from SE, gusts 10 mph16 km/h71%6%0
Sun 12aClear53°12° (likely 53°12° to 56°13°)53°12°0%3 mph5 km/h from SE, gusts 10 mph16 km/h74%3%0
Sun 1aClear52°11° (likely 52°11° to 55°13°)52°11°0%3 mph5 km/h from SE, gusts 9 mph15 km/h77%10%0
Sun 2aClear50°10° (likely 50°10° to 55°13°)49°9°0%3 mph5 km/h from SE, gusts 9 mph14 km/h80%5%0
Sun 3aPartly cloudy50°10° (likely 50°10° to 54°12°)49°9°0%3 mph5 km/h from SE, gusts 9 mph14 km/h83%55%0
Sun 4aMostly clear49°9° (likely 49°9° to 53°12°)48°9°0%3 mph5 km/h from SE, gusts 8 mph13 km/h86%57%0
Sun 5aPartly cloudy49°9° (likely 49°9° to 52°11°)48°9°0%3 mph5 km/h from SE, gusts 7 mph12 km/h86%49%0
Sun 6aPartly cloudy48°9° (likely 48°9° to 51°11°)47°8°0%3 mph5 km/h from SE, gusts 7 mph11 km/h89%75%0
Sun 7aPartly sunny48°9° (likely 47°8° to 51°11°)47°8°0%3 mph5 km/h from SE, gusts 7 mph11 km/h89%54%0
Sun 8aCloudy49°9° (likely 48°9° to 52°11°)48°9°0%3 mph5 km/h from SE, gusts 7 mph11 km/h89%89%0
Sun 9aCloudy56°13° (likely 54°12° to 57°14°)56°13°0%3 mph5 km/h from SE, gusts 6 mph10 km/h74%86%1
Sun 10aPartly sunny62°17° (likely 61°16° to 64°18°)62°17°0%5 mph8 km/h from S, gusts 8 mph13 km/h60%46%2
Sun 11aPartly sunny68°20° (likely 65°18° to 70°21°)68°20°0%5 mph8 km/h from S, gusts 8 mph13 km/h49%70%3
Sun 12pCloudy72°22° (likely 69°21° to 74°23°)72°22°0%5 mph8 km/h from S, gusts 7 mph12 km/h43%80%4
Sun 1pCloudy74°23° (likely 72°22° to 76°24°)74°23°0%5 mph8 km/h from S, gusts 6 mph9 km/h38%81%4
Sun 2pCloudy76°24° (likely 73°23° to 78°26°)76°24°0%5 mph8 km/h from S, gusts 6 mph9 km/h36%81%4
Sun 3pCloudy76°24° (likely 74°23° to 78°26°)76°24°0%5 mph8 km/h from SE, gusts 6 mph9 km/h34%80%3
Sun 4pCloudy76°24° (likely 73°23° to 78°26°)76°24°0%5 mph8 km/h from SE, gusts 6 mph10 km/h34%80%2
Sun 5pCloudy75°24° (likely 71°22° to 77°25°)75°24°0%2 mph3 km/h from SE, gusts 5 mph9 km/h36%80%1
Sun 6pCloudy71°22° (likely 66°19° to 72°22°)71°22°0%2 mph3 km/h from SE, gusts 5 mph8 km/h42%80%0
Sun 7pCloudy65°18° (likely 63°17° to 68°20°)65°18°0%2 mph3 km/h from SE, gusts 6 mph9 km/h54%80%0
Sun 8pCloudy60°16° (likely 60°16° to 64°18°)60°16°0%2 mph3 km/h from SE, gusts 7 mph11 km/h64%81%0
Sun 9pCloudy58°14° (likely 58°14° to 63°17°)58°14°0%2 mph3 km/h from SE, gusts 7 mph11 km/h72%81%0
Sun 10pCloudy57°14° (likely 57°14° to 61°16°)57°14°0%2 mph3 km/h from SE, gusts 7 mph11 km/h75%81%0
Sun 11pCloudy56°13° (likely 56°13° to 60°16°)56°13°0%2 mph3 km/h from SE, gusts 8 mph13 km/h74%82%0
Mon 12aCloudy55°13° (likely 55°13° to 59°15°)55°13°0%2 mph3 km/h from SE, gusts 9 mph14 km/h77%82%0
Mon 1aCloudy54°12° (likely 54°12° to 58°14°)54°12°0%2 mph3 km/h from SE, gusts 8 mph12 km/h80%82%0
Mon 2aCloudy53°12° (likely 53°12° to 57°14°)53°12°0%2 mph3 km/h from S, gusts 8 mph13 km/h80%82%0
Mon 3aCloudy52°11° (likely 52°11° to 56°13°)52°11°0%1 mph2 km/h from S, gusts 7 mph11 km/h86%83%0
Mon 4aCloudy52°11° (likely 52°11° to 56°13°)52°11°0%1 mph2 km/h from S, gusts 7 mph11 km/h83%84%0
Mon 5aCloudy52°11° (likely 52°11° to 55°13°)52°11°0%1 mph2 km/h from S, gusts 7 mph11 km/h83%85%0
Mon 6aCloudy51°11° (likely 51°11° to 54°12°)51°11°0%1 mph2 km/h from S, gusts 6 mph10 km/h86%84%0
Mon 7aCloudy51°11° (likely 51°11° to 55°13°)51°11°0%1 mph2 km/h from S, gusts 6 mph10 km/h86%84%0
Mon 8aCloudy52°11° (likely 52°11° to 56°13°)52°11°0%1 mph2 km/h from S, gusts 6 mph9 km/h86%83%0
Mon 9aCloudy57°14° (likely 57°14° to 59°15°)57°14°0%1 mph2 km/h from S, gusts 6 mph9 km/h77%81%1
Mon 10aCloudy63°17° (likely 63°17° to 66°19°)63°17°0%2 mph3 km/h from SW, gusts 11 mph17 km/h65%78%2
Mon 11aCloudy68°20° (likely 67°19° to 70°21°)68°20°0%2 mph3 km/h from SW, gusts 11 mph18 km/h55%81%3
Mon 12pCloudy71°22° (likely 70°21° to 74°23°)71°22°0%3 mph5 km/h from SW, gusts 9 mph15 km/h47%84%4
Mon 1pCloudy74°23° (likely 72°22° to 75°24°)74°23°0%3 mph5 km/h from SW, gusts 9 mph14 km/h43%76%4
Mon 2pMostly cloudy76°24° (likely 73°23° to 76°24°)76°24°0%3 mph5 km/h from SW, gusts 9 mph15 km/h39%70%4
Mon 3pMostly cloudy77°25° (likely 73°23° to 77°25°)77°25°0%3 mph5 km/h from SW, gusts 8 mph13 km/h36%60%3
Mon 4pMostly cloudy76°24° (likely 72°22° to 76°24°)76°24°0%3 mph5 km/h from S, gusts 7 mph11 km/h37%62%2

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly sunny. High 75°24°, low 48°9°. Typical 64°18° / 40°4°. Dry. Mostly agree.
    1. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    2. Overnight

      midnight–6 AM

      Partly cloudy, 49°9°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 75. Southeast wind around 6 mph.

    Tonight: Mostly clear, with a low around 48. Southeast wind around 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    72°22°–75°24°
    Low, likely
    47°8°–48°9°
    Typical high / low
    64°18° / 40°4°
    Wind
    9 mph14 km/h, gusts 15 mph24 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 76°24°, low 50°10°. Typical 63°17° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      Dry

    Official NWS forecast

    Day: Partly sunny, with a high near 76. South wind around 5 mph.

    Night: Mostly cloudy, with a low around 50. Southeast wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    74°23°–78°26°
    Low, likely
    47°8°–50°10°
    Typical high / low
    63°17° / 40°4°
    Wind
    7 mph11 km/h, gusts 15 mph24 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 77°25°, low 50°10°. Typical 62°17° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly cloudy, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Official NWS forecast

    Day: Partly sunny. High near 77, with temperatures falling to around 73 in the afternoon. South wind around 3 mph.

    Night: Partly cloudy, with a low around 50.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    73°23°–77°25°
    Low, likely
    50°10°–54°12°
    Typical high / low
    62°17° / 40°4°
    Wind
    8 mph12 km/h, gusts 15 mph24 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Cloudy. High 75°24°, low 52°11°. Typical 62°17° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, with a high near 75.

    Night: Mostly cloudy, with a low around 52.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    70°21°–75°24°
    Low, likely
    50°10°–56°13°
    Typical high / low
    62°17° / 40°4°
    Wind
    10 mph16 km/h, gusts 19 mph31 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Partly sunny. High 79°26°, low 53°12°. Typical 62°17° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 56°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 65°18°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 57°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 79.

    Night: Mostly clear, with a low around 53.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    74°23°–79°26°
    Low, likely
    50°10°–56°13°
    Typical high / low
    62°17° / 39°4°
    Wind
    10 mph16 km/h, gusts 20 mph32 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 82°28°, low 55°13°. Typical 61°16° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 58°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 80°27°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 67°19°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 58°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 82.

    Night: Mostly clear, with a low around 55.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    77°25°–82°28°
    Low, likely
    54°12°–58°14°
    Typical high / low
    61°16° / 39°4°
    Wind
    12 mph19 km/h, gusts 25 mph40 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 81°27°, low 56°13°. Typical 60°16° / 38°3°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 78°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 67°19°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 58°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 81.

    Night: Mostly cloudy, with a low around 56.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    74°23°–81°27°
    Low, likely
    53°12°–59°15°
    Typical high / low
    60°16° / 38°3°
    Wind
    11 mph18 km/h, gusts 22 mph36 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 71°22°, low 60°16°. Typical 60°16° / 38°3°. Rain 0.11 in2.8 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 60°15°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      40% chance

    3. Evening

      6 PM–midnight

      Drizzle, 65°18°

      50% chance · 0.08 in1.9 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 63°17°

      50% chance · 0.11 in2.9 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    66°19°–76°24°
    Low, likely
    56°13°–64°18°
    Typical high / low
    60°16° / 38°3°
    Wind
    18 mph28 km/h, gusts 24 mph38 km/h
    UV peak
    2
  9. Sunday, Nov 1. Drizzle. High 73°23°, low 60°16°. Typical 60°16° / 38°3°. Rain 0.39 in9.9 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 65°18°

      50% chance · 0.02 in0.5 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 74°23°

      30% chance · 0.02 in0.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 66°19°

      30% chance · 0.19 in4.7 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 51°11°

      40% chance · 0.09 in2.3 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    71°22°–77°25°
    Low, likely
    56°13°–62°17°
    Typical high / low
    60°16° / 38°3°
    Wind
    19 mph30 km/h, gusts 43 mph70 km/h
    UV peak
    3
  10. Monday, Nov 2. Drizzle. High 65°18°, low 52°11°. Typical 59°15° / 38°3°. Rain 0.34 in8.6 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 53°12°

      40% chance · 0.02 in0.4 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 57°14°

      40% chance · 0.14 in3.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 53°11°

      30% chance · 0.06 in1.4 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    53°12°–78°26°
    Low, likely
    39°4°–64°18°
    Typical high / low
    59°15° / 38°3°
    Wind
    24 mph38 km/h, gusts 38 mph62 km/h
    UV peak
    1

The outlook

  1. Today

    Dry, high 75°, low 48°.

  2. Tomorrow

    Dry, high 76°, low 50°.

  3. Monday

    Dry, high 77°, low 50°.

  4. Rest of week

    Highs 65–82°; chance of precipitation on Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LSX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Mississippi River at Mel Price (Alton) Lock and Dam

12 mi
Below flood stage
Level
6.7 ft
Flow
109,000 cfs

Forecast peak 7.5 ft Sat 7 PM

Reading from Sat 4:30 PM · NWS gauge page

Mississippi River at Grafton

16 mi
Below flood stage
Level
15.8 ft
Flow
177,000 cfs

Forecast peak 15.6 ft Sat 7 PM

Reading from Sat 4:30 PM · NWS gauge page

Missouri River at St. Charles

25 mi
Below flood stage
Level
12.1 ft
Flow
63,100 cfs

Forecast peak 12.1 ft Sat 7 PM

Reading from Sat 5 PM · NWS gauge page

Mississippi River at Alton

11 mi
Below flood stage
Level
18.9 ft

Reading from Sat 4:30 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 86% less heating than a typical week.

This week 14Typical 100

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 6:00 PM–7:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Jerseyville 2 SW · official normals 1991–2020 · records 1940–2026

Oct 24, today vs a typical year

Today’s expected high is 11°6° warmer than typical.

Normal high / low
64°18° / 40°4°
Forecast high / low
75°24° / 48°9°
Record high
83°28° in 1963
Record low
17°−8° in 1981

Last 7 days vs normal

On average 3°1° warmer than normal (daily mean temperature).

  1. −3°−2°SunOct 18
  2. −3°−2°MonOct 19
  3. +1°±0°TueOct 20
  4. +6°+3°WedOct 21
  5. +8°+4°ThuOct 22
  6. +8°+4°FriOct 23
  7. —SatOct 24

Brighton weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:19 AM, sunset 6:09 PM.

Daylight
10 h 50 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 24 min less
Golden hour
5:32–6:26 PM
Morning 7:02–7:56 AM
Blue hour
6:26–6:36 PM
Morning 6:52–7:02 AM; first light 6:52 AM

Stars tonight? Fair

Mostly clear 11 PM–3 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 5:34 AM · rises 5:06 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Brighton. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.